<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>设置 FTP 服务器上的文件权限</title>
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-base.css" />
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-medium.css" />

 </head>
 <body class="docs"><div class="navbar navbar-fixed-top">
  <div class="navbar-inner clearfix">
    <ul class="nav" style="width: 100%">
      <li style="float: left;"><a href="function.ftp-chdir.html">« ftp_chdir</a></li>
      <li style="float: right;"><a href="function.ftp-close.html">ftp_close »</a></li>
    </ul>
  </div>
</div>
<div id="breadcrumbs" class="clearfix">
  <ul class="breadcrumbs-container">
    <li><a href="index.html">PHP Manual</a></li>
    <li><a href="ref.ftp.html">FTP 函数</a></li>
    <li>设置 FTP 服务器上的文件权限</li>
  </ul>
</div>
<div id="layout">
  <div id="layout-content"><div id="function.ftp-chmod" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ftp_chmod</h1>
  <p class="verinfo">(PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">ftp_chmod</span> &mdash; <span class="dc-title">设置 FTP 服务器上的文件权限</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.ftp-chmod-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>ftp_chmod</strong></span>(<span class="methodparam"><span class="type">resource</span> <code class="parameter">$ftp_stream</code></span>, <span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code></span>, <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code></span>): <span class="type">int</span></div>

  <p class="para rdfs-comment"> 
   将服务器上的文件权限设置为
   <code class="parameter">mode</code> 指定的值。
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.ftp-chmod-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">ftp_stream</code></dt>

     <dd>

      <p class="para">
       FTP 连接标示符。
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">mode</code></dt>

     <dd>

      <p class="para">
       要设置的权限值， <em class="emphasis">八进制</em> 值。
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">filename</code></dt>

     <dd>

      <p class="para">
        远程文件名称。
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.ftp-chmod-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   操作成功返回文件新的权限，操作失败返回 <strong><code>false</code></strong> 。
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.ftp-chmod-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4264">
    <p><strong>示例 #1 <span class="function"><strong>ftp_chmod()</strong></span> 函数例程</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$file&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'public_html/index.php'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">//&nbsp;建立基础连接<br /></span><span style="color: #0000BB">$conn_id&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ftp_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$ftp_server</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;使用用户名和密码登录<br /></span><span style="color: #0000BB">$login_result&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ftp_login</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$ftp_user_name</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$ftp_user_pass</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;尝试设置&nbsp;$file&nbsp;的权限为&nbsp;644<br /></span><span style="color: #007700">if&nbsp;(</span><span style="color: #0000BB">ftp_chmod</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0644</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$file</span><span style="color: #007700">)&nbsp;!==&nbsp;</span><span style="color: #0000BB">false</span><span style="color: #007700">)&nbsp;{<br />&nbsp;echo&nbsp;</span><span style="color: #DD0000">"</span><span style="color: #0000BB">$file</span><span style="color: #DD0000">&nbsp;chmoded&nbsp;successfully&nbsp;to&nbsp;644\n"</span><span style="color: #007700">;<br />}&nbsp;else&nbsp;{<br />&nbsp;echo&nbsp;</span><span style="color: #DD0000">"could&nbsp;not&nbsp;chmod&nbsp;</span><span style="color: #0000BB">$file</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;关闭连接<br /></span><span style="color: #0000BB">ftp_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.ftp-chmod-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.chmod.html" class="function" rel="rdfs-seeAlso">chmod()</a> - 改变文件模式</span></li>
   </ul>
  </p>
 </div>

</div></div></div></body></html>